Home / 2,409.62-3,324.87-1,361.48

Finding the Fourth Proportional to 2,409.62, 3,324.87 and 1,361.48

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Solution

The fourth proportional to 2,409.62, 3,324.87 and 1,361.48 is: 1,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.62 : 3,324.87 = 1,361.48 : x
  2. Step 2: Convert to fraction form
    2,409.62/3,324.87 = 1,361.48/x
  3. Step 3: Cross multiply
    2,409.62x = 3,324.87 × 1,361.48
  4. Step 4: Simplify right side
    2,409.62x = 4,526,727.38
  5. Step 5: Solve for x
    x = 4,526,727.38/2,409.62
  6. Step 6: Final answer
    x = 1,878.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.